// 栅格断点
$breakpoints: (
  xs: 768px,
  md: 1024px,
  lg: 1120px,

  sm: 576px,
  xl: 1120px,
  xxl: 1400px
) !default;

@mixin minWidth($breakpoint) {
  @if map-has-key($breakpoints, $breakpoint) {
    @media (min-width: map-get($breakpoints, $breakpoint)) {
      @content;
    }
  }
}